Title
- Roman de Mandevie1
- Roman de la rose3
- Roman law1
- Romuleon1
- Rosarium1
- Rosarium theologiae1
- Rozier des guerres1
- Rubaiyat1
- Rubricae1
- Rubāʻīyāt-i Shaykh Awḥad al-Dīn Kirmānī1
- Rule of Saint Augustine4
- Rule of Saint Benedict1
- Rule of Saint Clare2
- Rule of living1
- Rules3
- Rules of the Brotherhood of the Archangel Michael1
- Ruralia commoda2
- Sacramentary1
- Safe conduct pass1
- Saint Anne and the Virgin Mary1